plan9-amd64-0intro at 628b1015b972eabcc0a678ab69a74601239c40a4 :: Running /tmp/workdir-gnot/go/src/make.rc with args ["/tmp/workdir-gnot/go/src/make.rc" "-force"] and env ["home=/usr/glenda" "path=.\x00/bin" "*=" "type=host-plan9-amd64-0intro" "rcname=gobuildlet" "pid=258" "fn#term%=fn term% {$*}\n" "fn#newworkdir=fn newworkdir {if(test -d $workdir){for(i in `{du -a $workdir|awk '{print $2}'})chmod u+w $i;rm -rf $workdir};mkdir $workdir}\n" "status=" "fn#cd=fn cd {builtin cd $* && awd}\n" "GO_TEST_TIMEOUT_SCALE=2" "workdir=/tmp/workdir-gnot" "objtype=amd64" "fn#sigexit=" "cflag=" "0=/bin/gobuildlet" "WORKDIR=/tmp/workdir-gnot" "GOROOT_BOOTSTRAP=/tmp/workdir-gnot/go1.4" "GO_BUILDER_NAME=plan9-amd64-0intro" "GOBIN=" "PWD=/tmp/workdir-gnot/go/src"] in dir /tmp/workdir-gnot/go/src Building Go cmd/dist using /tmp/workdir-gnot/go1.4. (go1.20.6 plan9/amd64) Building Go toolchain1 using /tmp/workdir-gnot/go1.4. Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1. Building Go toolchain2 using go_bootstrap and Go toolchain1. Building Go toolchain3 using go_bootstrap and Go toolchain2. Building packages and commands for plan9/amd64. --- Installed Go for plan9/amd64 in /tmp/workdir-gnot/go Installed commands in /tmp/workdir-gnot/go/bin *** You need to bind /tmp/workdir-gnot/go/bin before /bin. ##### Test execution environment. # GOARCH: amd64 # CPU: Intel Core Processor (Broadwell) # GOOS: plan9 # OS Version: 2000 ##### Testing packages. ok archive/tar 0.191s ok archive/zip 0.316s ok bufio 0.114s ok bytes 0.190s ok cmp 0.081s ok compress/bzip2 0.113s ok compress/flate 0.580s ok compress/gzip 1.845s ok compress/lzw 0.130s ok compress/zlib 0.323s ok container/heap 0.086s ok container/list 0.082s ok container/ring 0.083s ok context 0.259s ok crypto 0.080s ok crypto/aes 0.096s ok crypto/cipher 1.158s ok crypto/des 0.085s ok crypto/dsa 0.441s ok crypto/ecdh 0.216s ok crypto/ecdsa 0.492s ok crypto/ed25519 0.462s ok crypto/elliptic 0.140s ok crypto/hmac 0.100s ok crypto/internal/alias 0.099s ok crypto/internal/bigmod 0.117s ok crypto/internal/boring 0.082s ok crypto/internal/boring/bcache 0.230s ok crypto/internal/edwards25519 0.155s ok crypto/internal/edwards25519/field 0.284s ok crypto/internal/nistec 0.169s ok crypto/internal/nistec/fiat 0.080s [no tests to run] ok crypto/md5 0.300s ok crypto/rand 0.362s ok crypto/rc4 0.098s ok crypto/rsa 0.608s ok crypto/sha1 0.513s ok crypto/sha256 0.335s ok crypto/sha512 0.194s ok crypto/subtle 0.497s ok crypto/tls 13.316s ok crypto/x509 0.410s ok database/sql 0.759s ok database/sql/driver 0.084s ok debug/buildinfo 0.086s ok debug/dwarf 0.144s ok debug/elf 0.233s ok debug/gosym 0.197s ok debug/macho 0.088s ok debug/pe 0.237s ok debug/plan9obj 0.086s ok embed 0.082s [no tests to run] ok embed/internal/embedtest 0.083s ok encoding/ascii85 0.082s ok encoding/asn1 0.085s ok encoding/base32 0.090s ok encoding/base64 0.084s ok encoding/binary 0.084s ok encoding/csv 0.086s ok encoding/gob 2.199s ok encoding/hex 0.083s ok encoding/json 0.333s ok encoding/pem 0.304s ok encoding/xml 0.131s ok errors 0.089s ok expvar 0.085s ok flag 0.513s ok fmt 0.123s ok go/ast 0.087s ok go/build 2.380s ok go/build/constraint 0.082s ok go/constant 0.085s ok go/doc 0.156s ok go/doc/comment 1.781s ok go/format 0.104s ok go/importer 1.459s ok go/internal/gccgoimporter 0.098s ok go/internal/gcimporter 10.240s ok go/internal/srcimporter 3.403s ok go/parser 0.194s ok go/printer 0.223s ok go/scanner 0.083s ok go/token 0.094s ok go/types 37.435s ok go/version 0.085s ok hash 0.082s ok hash/adler32 0.083s ok hash/crc32 0.085s ok hash/crc64 0.081s ok hash/fnv 0.087s ok hash/maphash 0.126s ok html 0.083s ok html/template 0.161s ok image 0.120s ok image/color 0.091s ok image/draw 0.130s ok image/gif 0.168s ok image/jpeg 0.194s ok image/png 0.253s ok index/suffixarray 0.188s ok internal/abi 0.900s ok internal/buildcfg 0.084s ok internal/chacha8rand 0.103s ok internal/coverage/cformat 0.084s ok internal/coverage/cmerge 0.082s ok internal/coverage/pods 0.089s ok internal/coverage/slicereader 0.082s ok internal/coverage/slicewriter 0.082s ok internal/coverage/test 0.093s ok internal/cpu 0.089s ok internal/dag 0.083s ok internal/diff 0.087s ok internal/fmtsort 0.088s ok internal/fuzz 0.087s ok internal/godebug 4.232s ok internal/godebugs 0.083s ok internal/gover 0.082s ok internal/intern 0.146s ok internal/itoa 0.082s ok internal/platform 2.519s ok internal/poll 0.113s ok internal/profile 0.083s ok internal/reflectlite 0.094s ok internal/safefilepath 0.081s ok internal/saferio 0.101s ok internal/singleflight 0.110s ok internal/testenv 1.021s ok internal/trace 0.128s --- FAIL: TestTraceAnnotationsStress (1.28s) --- FAIL: TestTraceAnnotationsStress/Default (1.28s) trace_test.go:565: stderr: fatal error: unexpected signal during runtime execution [signal sys: trap: code=0x0 addr=0x0 pc=0x25528a] runtime stack: runtime.throw({0x2b076a?, 0x466ac0?}) /tmp/workdir-gnot/go/src/runtime/panic.go:1021 +0x65 fp=0x7fffffffe928 sp=0x7fffffffe8f8 pc=0x232ba5 runtime.sigpanic() /tmp/workdir-gnot/go/src/runtime/os_plan9.go:75 +0x4a5 fp=0x7fffffffe9a8 sp=0x7fffffffe928 pc=0x22fac5 runtime.fpTracebackPCs(...) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:219 pc=0x25528b runtime.traceStack(0x409ce0?, 0x11?, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:70 +0x8f fp=0x7fffffffedf0 sp=0x7fffffffe9a8 pc=0x25514f runtime.traceLocker.stack(...) /tmp/workdir-gnot/go/src/runtime/trace2event.go:166 pc=0x25473b runtime.traceLocker.GoPark({0x409ce0?, 0x400000002?}, 0xe, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2runtime.go:438 +0x20 fp=0x7fffffffee80 sp=0x7fffffffedf0 pc=0x2546c0 runtime.park_m(0x480061c0) /tmp/workdir-gnot/go/src/runtime/proc.go:4017 +0x85 fp=0x7fffffffeed8 sp=0x7fffffffee80 pc=0x23c6e5 runtime.mcall() /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:458 +0x53 fp=0x7fffffffeef0 sp=0x7fffffffeed8 pc=0x260f93 goroutine 1 gp=0x480061c0 m=0 mp=0x409ce0 [sleep]: runtime.gopark(0x48054de0?, 0x17b30c794a39210d?, 0x0?, 0xd4?, 0x8?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48054dc0 sp=0x48054da0 pc=0x2356ae time.Sleep(0x989680) /tmp/workdir-gnot/go/src/runtime/time.go:195 +0x131 fp=0x48054e08 sp=0x48054dc0 pc=0x25f791 main.do({0x2cd558, 0x480820c0}, 0x3) /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/annotations-stress.go:83 +0x145 fp=0x48054e98 sp=0x48054e08 pc=0x28db45 main.main() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/annotations-stress.go:45 +0x194 fp=0x48054f48 sp=0x48054e98 pc=0x28d974 runtime.main() /tmp/workdir-gnot/go/src/runtime/proc.go:271 +0x2cb fp=0x48054fe0 sp=0x48054f48 pc=0x23526b runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48054fe8 sp=0x48054fe0 pc=0x262e81 goroutine 2 gp=0x48006700 m=nil [force gc (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48055fa0 sp=0x48055f80 pc=0x2356ae runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x235507 runtime.forcegchelper() /tmp/workdir-gnot/go/src/runtime/proc.go:326 +0x85 fp=0x48055fe0 sp=0x48055fa0 pc=0x2354e5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48055fe8 sp=0x48055fe0 pc=0x262e81 created by runtime.init.6 in goroutine 1 /tmp/workdir-gnot/go/src/runtime/proc.go:314 +0x1a goroutine 3 gp=0x480068c0 m=nil [GC sweep wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48056f80 sp=0x48056f60 pc=0x2356ae runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x221f54 runtime.bgsweep(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcsweep.go:278 +0x72 fp=0x48056fc8 sp=0x48056f80 pc=0x221f32 runtime.gcenable.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x25 fp=0x48056fe0 sp=0x48056fc8 pc=0x216645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48056fe8 sp=0x48056fe0 pc=0x262e81 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x66 goroutine 4 gp=0x48006a80 m=nil [GC scavenge wait]: runtime.gopark(0x4806a000?, 0x2cc258?, 0x1?, 0x0?, 0x48006a80?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48057f78 sp=0x48057f58 pc=0x2356ae runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x21f8e9 runtime.(*scavengerState).park(0x409680) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:425 +0x2e fp=0x48057fa8 sp=0x48057f78 pc=0x21f8ce runtime.bgscavenge(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:653 +0x3c fp=0x48057fc8 sp=0x48057fa8 pc=0x21fedc runtime.gcenable.gowrap2() /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0x25 fp=0x48057fe0 sp=0x48057fc8 pc=0x2165e5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48057fe8 sp=0x48057fe0 pc=0x262e81 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0xa5 goroutine 5 gp=0x48006fc0 m=nil [finalizer wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48050e20 sp=0x48050e00 pc=0x2356ae runtime.runfinq() /tmp/workdir-gnot/go/src/runtime/mfinal.go:194 +0x107 fp=0x48050fe0 sp=0x48050e20 pc=0x215647 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48050fe8 sp=0x48050fe0 pc=0x262e81 created by runtime.createfing in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mfinal.go:164 +0x3d goroutine 6 gp=0x48007180 m=nil [chan receive]: runtime.gopark(0x24dcc5?, 0x4801e0b0?, 0x2?, 0x0?, 0x48051ef8?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48051ea8 sp=0x48051e88 pc=0x2356ae runtime.chanrecv(0x480800c0, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x48051f20 sp=0x48051ea8 pc=0x2050ff runtime.chanrecv1(0x4807e050?, 0x17b30c794e00fd55?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x48051f48 sp=0x48051f20 pc=0x204d32 runtime.(*wakeableSleep).sleep(0x4801a018, 0x5f5e100) /tmp/workdir-gnot/go/src/runtime/trace2.go:946 +0xb8 fp=0x48051fa8 sp=0x48051f48 pc=0x251818 runtime.traceStartReadCPU.func1() /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:56 +0x45 fp=0x48051fe0 sp=0x48051fa8 pc=0x252365 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48051fe8 sp=0x48051fe0 pc=0x262e81 created by runtime.traceStartReadCPU in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x156 goroutine 7 gp=0x48007340 m=nil [chan receive]: runtime.gopark(0x24dcc5?, 0x48022040?, 0x3?, 0x0?, 0x48052f00?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48052eb0 sp=0x48052e90 pc=0x2356ae runtime.chanrecv(0x480801e0, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x48052f28 sp=0x48052eb0 pc=0x2050ff runtime.chanrecv1(0x4807e0a0?, 0x17b30c7983a5ed70?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x48052f50 sp=0x48052f28 pc=0x204d32 runtime.(*wakeableSleep).sleep(0x4801a030, 0x3b9aca00) /tmp/workdir-gnot/go/src/runtime/trace2.go:946 +0xb8 fp=0x48052fb0 sp=0x48052f50 pc=0x251818 runtime.(*traceAdvancerState).start.func1() /tmp/workdir-gnot/go/src/runtime/trace2.go:883 +0x28 fp=0x48052fe0 sp=0x48052fb0 pc=0x251688 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48052fe8 sp=0x48052fe0 pc=0x262e81 created by runtime.(*traceAdvancerState).start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2.go:880 +0x165 goroutine 8 gp=0x48007500 m=nil [trace reader (blocked)]: runtime.gopark(0x48053f78?, 0x480260c0?, 0x38?, 0x3f?, 0x48053f90?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48053f38 sp=0x48053f18 pc=0x2356ae runtime.ReadTrace() /tmp/workdir-gnot/go/src/runtime/trace2.go:681 +0x31 fp=0x48053fa0 sp=0x48053f38 pc=0x251091 runtime/trace.Start.func1() /tmp/workdir-gnot/go/src/runtime/trace/trace.go:130 +0x45 fp=0x48053fe0 sp=0x48053fa0 pc=0x28d645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48053fe8 sp=0x48053fe0 pc=0x262e81 created by runtime/trace.Start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace/trace.go:128 +0xf6 goroutine 17 gp=0x480076c0 m=nil [runnable]: main.do.func1.gowrap1() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/annotations-stress.go:69 +0x1 fp=0x4808cfe0 sp=0x4808cfd8 pc=0x28dcc1 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808cfe8 sp=0x4808cfe0 pc=0x262e81 created by main.do.func1 in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/annotations-stress.go:69 +0x45 goroutine 16 gp=0x48007880 m=nil [runnable]: main.do.func1.gowrap1() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/annotations-stress.go:69 +0x1 fp=0x4808dfe0 sp=0x4808dfd8 pc=0x28dcc1 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808dfe8 sp=0x4808dfe0 pc=0x262e81 created by main.do.func1 in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/annotations-stress.go:69 +0x45 goroutine 15 gp=0x48007a40 m=nil [runnable]: main.do.func1.gowrap1() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/annotations-stress.go:69 +0x1 fp=0x4808efe0 sp=0x4808efd8 pc=0x28dcc1 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808efe8 sp=0x4808efe0 pc=0x262e81 created by main.do.func1 in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/annotations-stress.go:69 +0x45 exit status: 'annotations-stress 17217: 2' trace_test.go:567: exit status: 'go 17196: 1' --- FAIL: TestTraceCPUProfile (1.83s) --- FAIL: TestTraceCPUProfile/Default (1.83s) trace_test.go:565: stderr: fatal error: unexpected signal during runtime execution [signal sys: trap: code=0x0 addr=0x0 pc=0x256d0a] runtime stack: runtime.throw({0x2e6d38?, 0x46a8c0?}) /tmp/workdir-gnot/go/src/runtime/panic.go:1021 +0x65 fp=0x7fffffffe928 sp=0x7fffffffe8f8 pc=0x233945 runtime.sigpanic() /tmp/workdir-gnot/go/src/runtime/os_plan9.go:75 +0x4a5 fp=0x7fffffffe9a8 sp=0x7fffffffe928 pc=0x2306e5 runtime.fpTracebackPCs(...) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:219 pc=0x256d0b runtime.traceStack(0x40b320?, 0x7fffffffee40?, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:70 +0x8f fp=0x7fffffffedf0 sp=0x7fffffffe9a8 pc=0x256bcf runtime.traceLocker.stack(...) /tmp/workdir-gnot/go/src/runtime/trace2event.go:166 pc=0x2561bb runtime.traceLocker.GoPark({0x40b320?, 0x400000002?}, 0xe, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2runtime.go:438 +0x20 fp=0x7fffffffee80 sp=0x7fffffffedf0 pc=0x256140 runtime.park_m(0x48007180) /tmp/workdir-gnot/go/src/runtime/proc.go:4017 +0x85 fp=0x7fffffffeed8 sp=0x7fffffffee80 pc=0x23d485 runtime.mcall() /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:458 +0x53 fp=0x7fffffffeef0 sp=0x7fffffffeed8 pc=0x2628b3 goroutine 6 gp=0x48007180 m=0 mp=0x40b320 [sleep]: runtime.gopark(0x48051f30?, 0x17b30c79bd5d079a?, 0xde?, 0xb2?, 0x48088210?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48051f10 sp=0x48051ef0 pc=0x23644e time.Sleep(0x5f5e100) /tmp/workdir-gnot/go/src/runtime/time.go:195 +0x131 fp=0x48051f58 sp=0x48051f10 pc=0x261671 runtime/pprof.profileWriter({0x308588?, 0x48084090?}) /tmp/workdir-gnot/go/src/runtime/pprof/pprof.go:850 +0x4a fp=0x48051fc0 sp=0x48051f58 pc=0x2b094a runtime/pprof.StartCPUProfile.gowrap2() /tmp/workdir-gnot/go/src/runtime/pprof/pprof.go:835 +0x25 fp=0x48051fe0 sp=0x48051fc0 pc=0x2b0865 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48051fe8 sp=0x48051fe0 pc=0x2647a1 created by runtime/pprof.StartCPUProfile in goroutine 1 /tmp/workdir-gnot/go/src/runtime/pprof/pprof.go:835 +0x156 goroutine 1 gp=0x480061c0 m=nil [runnable]: runtime.Gosched(...) /tmp/workdir-gnot/go/src/runtime/proc.go:342 pc=0x2ba845 main.cpuHog0(0x48054b00?, 0x186a0) /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/cpu-profile.go:128 +0x54 fp=0x48054af0 sp=0x48054ac8 pc=0x2ba834 main.cpuHog1(0x0?) /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/cpu-profile.go:120 +0x18 fp=0x48054b10 sp=0x48054af0 pc=0x2ba7b8 main.cpuHogger(0x2e8cd8, 0x46aa60, 0x5f5e100) /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/cpu-profile.go:107 +0x4f fp=0x48054b60 sp=0x48054b10 pc=0x2ba70f main.main.func1.1({0x308a98?, 0x480840f0?}) /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/cpu-profile.go:44 +0x25 fp=0x48054b88 sp=0x48054b60 pc=0x2ba645 runtime/pprof.Do({0x308a60?, 0x46a9e0?}, {{0x48022040?, 0x9?, 0x4801a060?}}, 0x48054c58) /tmp/workdir-gnot/go/src/runtime/pprof/runtime.go:51 +0xa4 fp=0x48054bf8 sp=0x48054b88 pc=0x2b91a4 main.main.func1(0x5f5e100) /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/cpu-profile.go:43 +0x251 fp=0x48054cc0 sp=0x48054bf8 pc=0x2ba5b1 main.main() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/cpu-profile.go:50 +0x10f fp=0x48054f48 sp=0x48054cc0 pc=0x2b9d8f runtime.main() /tmp/workdir-gnot/go/src/runtime/proc.go:271 +0x2cb fp=0x48054fe0 sp=0x48054f48 pc=0x23600b runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48054fe8 sp=0x48054fe0 pc=0x2647a1 goroutine 2 gp=0x48006700 m=nil [force gc (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48055fa0 sp=0x48055f80 pc=0x23644e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x2362a7 runtime.forcegchelper() /tmp/workdir-gnot/go/src/runtime/proc.go:326 +0x85 fp=0x48055fe0 sp=0x48055fa0 pc=0x236285 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48055fe8 sp=0x48055fe0 pc=0x2647a1 created by runtime.init.6 in goroutine 1 /tmp/workdir-gnot/go/src/runtime/proc.go:314 +0x1a goroutine 3 gp=0x480068c0 m=nil [GC sweep wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48056f80 sp=0x48056f60 pc=0x23644e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x222b74 runtime.bgsweep(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcsweep.go:278 +0x72 fp=0x48056fc8 sp=0x48056f80 pc=0x222b52 runtime.gcenable.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x25 fp=0x48056fe0 sp=0x48056fc8 pc=0x217265 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48056fe8 sp=0x48056fe0 pc=0x2647a1 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x66 goroutine 4 gp=0x48006a80 m=nil [GC scavenge wait]: runtime.gopark(0x4806a000?, 0x306fa0?, 0x1?, 0x0?, 0x48006a80?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48057f78 sp=0x48057f58 pc=0x23644e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x220509 runtime.(*scavengerState).park(0x40acc0) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:425 +0x2e fp=0x48057fa8 sp=0x48057f78 pc=0x2204ee runtime.bgscavenge(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:653 +0x3c fp=0x48057fc8 sp=0x48057fa8 pc=0x220afc runtime.gcenable.gowrap2() /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0x25 fp=0x48057fe0 sp=0x48057fc8 pc=0x217205 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48057fe8 sp=0x48057fe0 pc=0x2647a1 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0xa5 goroutine 5 gp=0x48006fc0 m=nil [finalizer wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48050e20 sp=0x48050e00 pc=0x23644e runtime.runfinq() /tmp/workdir-gnot/go/src/runtime/mfinal.go:194 +0x107 fp=0x48050fe0 sp=0x48050e20 pc=0x216267 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48050fe8 sp=0x48050fe0 pc=0x2647a1 created by runtime.createfing in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mfinal.go:164 +0x3d goroutine 7 gp=0x48007340 m=nil [runnable]: runtime.traceStartReadCPU.func1() /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x1 fp=0x48052fe0 sp=0x48052fd8 pc=0x253da1 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48052fe8 sp=0x48052fe0 pc=0x2647a1 created by runtime.traceStartReadCPU in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x156 goroutine 8 gp=0x48007500 m=nil [runnable]: runtime.(*traceAdvancerState).start.func1() /tmp/workdir-gnot/go/src/runtime/trace2.go:880 +0x1 fp=0x48053fe0 sp=0x48053fd8 pc=0x2530e1 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48053fe8 sp=0x48053fe0 pc=0x2647a1 created by runtime.(*traceAdvancerState).start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2.go:880 +0x165 goroutine 9 gp=0x480076c0 m=nil [trace reader (blocked)]: runtime.gopark(0x48096f78?, 0x480260c0?, 0x38?, 0x6f?, 0x48096f90?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48096f38 sp=0x48096f18 pc=0x23644e runtime.ReadTrace() /tmp/workdir-gnot/go/src/runtime/trace2.go:681 +0x31 fp=0x48096fa0 sp=0x48096f38 pc=0x252b11 runtime/trace.Start.func1() /tmp/workdir-gnot/go/src/runtime/trace/trace.go:130 +0x45 fp=0x48096fe0 sp=0x48096fa0 pc=0x2b9a85 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48096fe8 sp=0x48096fe0 pc=0x2647a1 created by runtime/trace.Start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace/trace.go:128 +0xf6 exit status: 'cpu-profile 17246: 2' trace_test.go:567: exit status: 'go 17223: 1' --- FAIL: TestTraceGCStress (1.55s) --- FAIL: TestTraceGCStress/Default (1.55s) trace_test.go:565: stderr: fatal error: unexpected signal during runtime execution [signal sys: trap: fault read code=0x0 addr=0x0 pc=0x2574aa] runtime stack: runtime.throw({0x2b2f9d?, 0x468440?}) /tmp/workdir-gnot/go/src/runtime/panic.go:1021 +0x65 fp=0x7fffffffe928 sp=0x7fffffffe8f8 pc=0x234bc5 runtime.sigpanic() /tmp/workdir-gnot/go/src/runtime/os_plan9.go:75 +0x4a5 fp=0x7fffffffe9a8 sp=0x7fffffffe928 pc=0x231ae5 runtime.fpTracebackPCs(...) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:219 pc=0x2574ab runtime.traceStack(0x40b660?, 0x20001b7?, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:70 +0x8f fp=0x7fffffffedf0 sp=0x7fffffffe9a8 pc=0x25736f runtime.traceLocker.stack(...) /tmp/workdir-gnot/go/src/runtime/trace2event.go:166 pc=0x25695b runtime.traceLocker.GoPark({0x40b660?, 0x400000002?}, 0xe, 0x2) /tmp/workdir-gnot/go/src/runtime/trace2runtime.go:438 +0x20 fp=0x7fffffffee80 sp=0x7fffffffedf0 pc=0x2568e0 runtime.park_m(0x48006a80) /tmp/workdir-gnot/go/src/runtime/proc.go:4017 +0x85 fp=0x7fffffffeed8 sp=0x7fffffffee80 pc=0x23e705 runtime.mcall() /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:458 +0x53 fp=0x7fffffffeef0 sp=0x7fffffffeed8 pc=0x263713 goroutine 4 gp=0x48006a80 m=0 mp=0x40b660 [sleep]: runtime.gopark(0x4807e000?, 0x17b30c7aa463ee24?, 0x0?, 0x0?, 0x2b4df8?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48057f28 sp=0x48057f08 pc=0x2376ce runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x221b0d runtime.(*scavengerState).sleep(0x40b000, 0x412e84f800000000) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:504 +0x132 fp=0x48057fa8 sp=0x48057f28 pc=0x221af2 runtime.bgscavenge(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:662 +0x74 fp=0x48057fc8 sp=0x48057fa8 pc=0x221f34 runtime.gcenable.gowrap2() /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0x25 fp=0x48057fe0 sp=0x48057fc8 pc=0x218605 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48057fe8 sp=0x48057fe0 pc=0x265601 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0xa5 goroutine 1 gp=0x480061c0 m=nil [sleep]: runtime.gopark(0x4bfd7ea0?, 0x17b30c7a61e602d1?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48052e80 sp=0x48052e60 pc=0x2376ce time.Sleep(0x17d78400) /tmp/workdir-gnot/go/src/runtime/time.go:195 +0x131 fp=0x48052ec8 sp=0x48052e80 pc=0x2626f1 main.main() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/gc-stress.go:80 +0x21a fp=0x48052f48 sp=0x48052ec8 pc=0x28e25a runtime.main() /tmp/workdir-gnot/go/src/runtime/proc.go:271 +0x2cb fp=0x48052fe0 sp=0x48052f48 pc=0x23728b runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48052fe8 sp=0x48052fe0 pc=0x265601 goroutine 2 gp=0x48006700 m=nil [force gc (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48055fa0 sp=0x48055f80 pc=0x2376ce runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x237527 runtime.forcegchelper() /tmp/workdir-gnot/go/src/runtime/proc.go:326 +0x85 fp=0x48055fe0 sp=0x48055fa0 pc=0x237505 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48055fe8 sp=0x48055fe0 pc=0x265601 created by runtime.init.6 in goroutine 1 /tmp/workdir-gnot/go/src/runtime/proc.go:314 +0x1a goroutine 3 gp=0x480068c0 m=nil [runnable]: runtime.goschedIfBusy() /tmp/workdir-gnot/go/src/runtime/proc.go:365 +0x28 fp=0x48056f80 sp=0x48056f68 pc=0x2375e8 runtime.bgsweep(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcsweep.go:302 +0x14f fp=0x48056fc8 sp=0x48056f80 pc=0x22402f runtime.gcenable.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x25 fp=0x48056fe0 sp=0x48056fc8 pc=0x218665 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48056fe8 sp=0x48056fe0 pc=0x265601 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x66 goroutine 5 gp=0x48006fc0 m=nil [finalizer wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48050e20 sp=0x48050e00 pc=0x2376ce runtime.runfinq() /tmp/workdir-gnot/go/src/runtime/mfinal.go:194 +0x107 fp=0x48050fe0 sp=0x48050e20 pc=0x217667 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48050fe8 sp=0x48050fe0 pc=0x265601 created by runtime.createfing in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mfinal.go:164 +0x3d goroutine 6 gp=0x48007180 m=nil [GC worker (idle)]: runtime.gopark(0x48051f68?, 0x17b30c7a68b2b9cf?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48051f28 sp=0x48051f08 pc=0x2376ce runtime.gcBgMarkWorker(0x480800c0) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x48051fc8 sp=0x48051f28 pc=0x21a82c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x48051fe0 sp=0x48051fc8 pc=0x21a705 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48051fe8 sp=0x48051fe0 pc=0x265601 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 7 gp=0x48007340 m=nil [runnable]: math/rand.Intn(0x8000) /tmp/workdir-gnot/go/src/math/rand/rand.go:453 +0x35 fp=0x4a3b8fa8 sp=0x4a3b8fa0 pc=0x28d535 main.main.func1() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/gc-stress.go:65 +0x2b fp=0x4a3b8fe0 sp=0x4a3b8fa8 pc=0x28e32b runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4a3b8fe8 sp=0x4a3b8fe0 pc=0x265601 created by main.main in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/gc-stress.go:63 +0x18b goroutine 8 gp=0x48007500 m=nil [chan receive]: runtime.gopark(0x24fee5?, 0x4b872000?, 0x3?, 0x0?, 0x48054ef8?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48054ea8 sp=0x48054e88 pc=0x2376ce runtime.chanrecv(0x48080120, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x48054f20 sp=0x48054ea8 pc=0x2050ff runtime.chanrecv1(0x4807e0a0?, 0x17b30c7a6ea96442?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x48054f48 sp=0x48054f20 pc=0x204d32 runtime.(*wakeableSleep).sleep(0x4801a030, 0x5f5e100) /tmp/workdir-gnot/go/src/runtime/trace2.go:946 +0xb8 fp=0x48054fa8 sp=0x48054f48 pc=0x253a38 runtime.traceStartReadCPU.func1() /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:56 +0x45 fp=0x48054fe0 sp=0x48054fa8 pc=0x254585 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48054fe8 sp=0x48054fe0 pc=0x265601 created by runtime.traceStartReadCPU in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x156 goroutine 9 gp=0x480076c0 m=nil [chan receive]: runtime.gopark(0x24fee5?, 0x4b872000?, 0x3?, 0x0?, 0x4a3b7f00?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4a3b7eb0 sp=0x4a3b7e90 pc=0x2376ce runtime.chanrecv(0x48080240, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x4a3b7f28 sp=0x4a3b7eb0 pc=0x2050ff runtime.chanrecv1(0x4807e0f0?, 0x17b30c7a9d82cbd2?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x4a3b7f50 sp=0x4a3b7f28 pc=0x204d32 runtime.(*wakeableSleep).sleep(0x4801a048, 0x3b9aca00) /tmp/workdir-gnot/go/src/runtime/trace2.go:946 +0xb8 fp=0x4a3b7fb0 sp=0x4a3b7f50 pc=0x253a38 runtime.(*traceAdvancerState).start.func1() /tmp/workdir-gnot/go/src/runtime/trace2.go:883 +0x28 fp=0x4a3b7fe0 sp=0x4a3b7fb0 pc=0x2538a8 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4a3b7fe8 sp=0x4a3b7fe0 pc=0x265601 created by runtime.(*traceAdvancerState).start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2.go:880 +0x165 goroutine 10 gp=0x48007880 m=nil [trace reader (blocked)]: runtime.gopark(0x4a3b9f78?, 0x480260c0?, 0x38?, 0x9f?, 0x4a3b9f90?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4a3b9f38 sp=0x4a3b9f18 pc=0x2376ce runtime.ReadTrace() /tmp/workdir-gnot/go/src/runtime/trace2.go:681 +0x31 fp=0x4a3b9fa0 sp=0x4a3b9f38 pc=0x2532b1 runtime/trace.Start.func1() /tmp/workdir-gnot/go/src/runtime/trace/trace.go:130 +0x45 fp=0x4a3b9fe0 sp=0x4a3b9fa0 pc=0x28dda5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4a3b9fe8 sp=0x4a3b9fe0 pc=0x265601 created by runtime/trace.Start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace/trace.go:128 +0xf6 exit status: 'gc-stress 17296: 2' trace_test.go:567: exit status: 'go 17276: 1' --- FAIL: TestTraceGOMAXPROCS (1.28s) --- FAIL: TestTraceGOMAXPROCS/Default (1.28s) trace_test.go:565: stderr: fatal error: unexpected signal during runtime execution [signal sys: trap: code=0x0 addr=0x0 pc=0x2553ca] runtime stack: runtime.throw({0x2a73ee?, 0x0?}) /tmp/workdir-gnot/go/src/runtime/panic.go:1021 +0x65 fp=0x7fffffffe8c0 sp=0x7fffffffe890 pc=0x232de5 runtime.sigpanic() /tmp/workdir-gnot/go/src/runtime/os_plan9.go:75 +0x4a5 fp=0x7fffffffe940 sp=0x7fffffffe8c0 pc=0x22fd05 runtime.fpTracebackPCs(...) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:219 pc=0x2553cb runtime.traceStack(0x4567d0?, 0x1?, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:70 +0x8f fp=0x7fffffffed88 sp=0x7fffffffe940 pc=0x25528f runtime.traceLocker.stack(...) /tmp/workdir-gnot/go/src/runtime/trace2event.go:166 pc=0x253ecd runtime.traceLocker.STWStart({0x409ae0?, 0x4808df20?}, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2runtime.go:318 +0x2c fp=0x7fffffffee10 sp=0x7fffffffed88 pc=0x253e4c runtime.stopTheWorldWithSema(0x1) /tmp/workdir-gnot/go/src/runtime/proc.go:1453 +0x59 fp=0x7fffffffeec0 sp=0x7fffffffee10 pc=0x237e39 runtime.gcMarkDone.func2() /tmp/workdir-gnot/go/src/runtime/mgc.go:863 +0x25 fp=0x7fffffffeee0 sp=0x7fffffffeec0 pc=0x2175c5 runtime.systemstack(0x409520) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:509 +0x4d fp=0x7fffffffeef0 sp=0x7fffffffeee0 pc=0x26070d goroutine 10 gp=0x48007880 m=0 mp=0x409ae0 [running]: runtime.systemstack_switch() /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:474 +0x8 fp=0x4808de90 sp=0x4808de80 pc=0x2606a8 runtime.gcMarkDone() /tmp/workdir-gnot/go/src/runtime/mgc.go:862 +0x247 fp=0x4808df28 sp=0x4808de90 pc=0x217327 runtime.gcBgMarkWorker(0x48080240) /tmp/workdir-gnot/go/src/runtime/mgc.go:1469 +0x3a5 fp=0x4808dfc8 sp=0x4808df28 pc=0x218c45 runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4808dfe0 sp=0x4808dfc8 pc=0x218865 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808dfe8 sp=0x4808dfe0 pc=0x262581 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 1 gp=0x480061c0 m=nil [sleep]: runtime.gopark(0x48054ec8?, 0x17b30c7ab60c581f?, 0xe0?, 0x4e?, 0x2056fe?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48054ea8 sp=0x48054e88 pc=0x2358ee time.Sleep(0xf4240) /tmp/workdir-gnot/go/src/runtime/time.go:195 +0x131 fp=0x48054ef0 sp=0x48054ea8 pc=0x25f671 main.main() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/gomaxprocs.go:38 +0x91 fp=0x48054f48 sp=0x48054ef0 pc=0x2870f1 runtime.main() /tmp/workdir-gnot/go/src/runtime/proc.go:271 +0x2cb fp=0x48054fe0 sp=0x48054f48 pc=0x2354ab runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48054fe8 sp=0x48054fe0 pc=0x262581 goroutine 2 gp=0x48006700 m=nil [force gc (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48055fa0 sp=0x48055f80 pc=0x2358ee runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x235747 runtime.forcegchelper() /tmp/workdir-gnot/go/src/runtime/proc.go:326 +0x85 fp=0x48055fe0 sp=0x48055fa0 pc=0x235725 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48055fe8 sp=0x48055fe0 pc=0x262581 created by runtime.init.6 in goroutine 1 /tmp/workdir-gnot/go/src/runtime/proc.go:314 +0x1a goroutine 3 gp=0x480068c0 m=nil [GC sweep wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48056f80 sp=0x48056f60 pc=0x2358ee runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x2220d4 runtime.bgsweep(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcsweep.go:278 +0x72 fp=0x48056fc8 sp=0x48056f80 pc=0x2220b2 runtime.gcenable.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x25 fp=0x48056fe0 sp=0x48056fc8 pc=0x2165c5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48056fe8 sp=0x48056fe0 pc=0x262581 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x66 goroutine 4 gp=0x48006a80 m=nil [GC scavenge wait]: runtime.gopark(0x10000?, 0x2c2930?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48057f78 sp=0x48057f58 pc=0x2358ee runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x21fa69 runtime.(*scavengerState).park(0x409480) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:425 +0x2e fp=0x48057fa8 sp=0x48057f78 pc=0x21fa4e runtime.bgscavenge(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:658 +0x59 fp=0x48057fc8 sp=0x48057fa8 pc=0x220079 runtime.gcenable.gowrap2() /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0x25 fp=0x48057fe0 sp=0x48057fc8 pc=0x216565 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48057fe8 sp=0x48057fe0 pc=0x262581 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0xa5 goroutine 5 gp=0x48006fc0 m=nil [finalizer wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48050e20 sp=0x48050e00 pc=0x2358ee runtime.runfinq() /tmp/workdir-gnot/go/src/runtime/mfinal.go:194 +0x107 fp=0x48050fe0 sp=0x48050e20 pc=0x2155c7 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48050fe8 sp=0x48050fe0 pc=0x262581 created by runtime.createfing in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mfinal.go:164 +0x3d goroutine 6 gp=0x48007180 m=nil [wait for GC cycle]: runtime.gopark(0x48051f18?, 0x48051f00?, 0xa0?, 0x70?, 0x48051f00?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48051f60 sp=0x48051f40 pc=0x2358ee runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x216875 runtime.gcWaitOnMark(0x1) /tmp/workdir-gnot/go/src/runtime/mgc.go:524 +0x33 fp=0x48051f90 sp=0x48051f60 pc=0x216853 runtime.GC() /tmp/workdir-gnot/go/src/runtime/mgc.go:468 +0x47 fp=0x48051fc8 sp=0x48051f90 pc=0x216727 main.main.func1() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/gomaxprocs.go:26 +0x13 fp=0x48051fe0 sp=0x48051fc8 pc=0x287173 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48051fe8 sp=0x48051fe0 pc=0x262581 created by main.main in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/gomaxprocs.go:24 +0x1e goroutine 7 gp=0x48007340 m=nil [chan receive]: runtime.gopark(0x24de05?, 0x4801e0c0?, 0x2?, 0x0?, 0x48052ef8?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48052ea8 sp=0x48052e88 pc=0x2358ee runtime.chanrecv(0x480800c0, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x48052f20 sp=0x48052ea8 pc=0x2050ff runtime.chanrecv1(0x4807e050?, 0x17b30c7abc0667ac?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x48052f48 sp=0x48052f20 pc=0x204d32 runtime.(*wakeableSleep).sleep(0x4801a018, 0x5f5e100) /tmp/workdir-gnot/go/src/runtime/trace2.go:946 +0xb8 fp=0x48052fa8 sp=0x48052f48 pc=0x251958 runtime.traceStartReadCPU.func1() /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:56 +0x45 fp=0x48052fe0 sp=0x48052fa8 pc=0x2524a5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48052fe8 sp=0x48052fe0 pc=0x262581 created by runtime.traceStartReadCPU in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x156 goroutine 8 gp=0x48007500 m=nil [chan receive]: runtime.gopark(0x24de05?, 0x48022040?, 0x3?, 0x0?, 0x48053f00?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48053eb0 sp=0x48053e90 pc=0x2358ee runtime.chanrecv(0x480801e0, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x48053f28 sp=0x48053eb0 pc=0x2050ff runtime.chanrecv1(0x4807e0a0?, 0x17b30c7af1ab5992?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x48053f50 sp=0x48053f28 pc=0x204d32 runtime.(*wakeableSleep).sleep(0x4801a030, 0x3b9aca00) /tmp/workdir-gnot/go/src/runtime/trace2.go:946 +0xb8 fp=0x48053fb0 sp=0x48053f50 pc=0x251958 runtime.(*traceAdvancerState).start.func1() /tmp/workdir-gnot/go/src/runtime/trace2.go:883 +0x28 fp=0x48053fe0 sp=0x48053fb0 pc=0x2517c8 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48053fe8 sp=0x48053fe0 pc=0x262581 created by runtime.(*traceAdvancerState).start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2.go:880 +0x165 goroutine 9 gp=0x480076c0 m=nil [trace reader (blocked)]: runtime.gopark(0x4808cf78?, 0x480260c0?, 0x38?, 0xcf?, 0x4808cf90?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4808cf38 sp=0x4808cf18 pc=0x2358ee runtime.ReadTrace() /tmp/workdir-gnot/go/src/runtime/trace2.go:681 +0x31 fp=0x4808cfa0 sp=0x4808cf38 pc=0x2511d1 runtime/trace.Start.func1() /tmp/workdir-gnot/go/src/runtime/trace/trace.go:130 +0x45 fp=0x4808cfe0 sp=0x4808cfa0 pc=0x286ec5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808cfe8 sp=0x4808cfe0 pc=0x262581 created by runtime/trace.Start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace/trace.go:128 +0xf6 exit status: 'gomaxprocs 17320: 2' trace_test.go:567: exit status: 'go 17299: 1' --- FAIL: TestTraceStress (2.02s) --- FAIL: TestTraceStress/Default (2.02s) trace_test.go:565: stderr: fatal error: unexpected signal during runtime execution [signal sys: trap: fault read code=0x0 addr=0x0 pc=0x25a6ca] runtime stack: runtime.throw({0x2fae77?, 0x467fe0?}) /tmp/workdir-gnot/go/src/runtime/panic.go:1021 +0x65 fp=0x7fffffffdf70 sp=0x7fffffffdf40 pc=0x236045 runtime.sigpanic() /tmp/workdir-gnot/go/src/runtime/os_plan9.go:75 +0x4a5 fp=0x7fffffffdff0 sp=0x7fffffffdf70 pc=0x232ae5 runtime.fpTracebackPCs(...) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:219 pc=0x25a6cb runtime.traceStack(0x48480808?, 0x48092008?, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:70 +0x8f fp=0x7fffffffe438 sp=0x7fffffffdff0 pc=0x25a58f runtime.traceLocker.stack(...) /tmp/workdir-gnot/go/src/runtime/trace2event.go:166 pc=0x259b7b runtime.traceLocker.GoPark({0x48480808?, 0x400000002?}, 0xa, 0x0) /tmp/workdir-gnot/go/src/runtime/trace2runtime.go:438 +0x20 fp=0x7fffffffe4c8 sp=0x7fffffffe438 pc=0x259b00 runtime.park_m(0x485028c0) /tmp/workdir-gnot/go/src/runtime/proc.go:4017 +0x85 fp=0x7fffffffe520 sp=0x7fffffffe4c8 pc=0x23fb85 runtime.mcall() /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:458 +0x53 fp=0x7fffffffe538 sp=0x7fffffffe520 pc=0x266c13 goroutine 22 gp=0x485028c0 m=8 mp=0x48480808 [GC worker (idle)]: runtime.gopark(0x4850ff68?, 0x17b30c7bad4b1446?, 0x5c?, 0xea?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4850ff28 sp=0x4850ff08 pc=0x238b4e runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4850ffc8 sp=0x4850ff28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4850ffe0 sp=0x4850ffc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4850ffe8 sp=0x4850ffe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 1 gp=0x480061c0 m=nil [wait for GC cycle]: runtime.gopark(0x48054d98?, 0x48054d80?, 0x80?, 0x9e?, 0x48054d80?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48054de0 sp=0x48054dc0 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x219655 runtime.gcWaitOnMark(0x1) /tmp/workdir-gnot/go/src/runtime/mgc.go:524 +0x33 fp=0x48054e10 sp=0x48054de0 pc=0x219633 runtime.GC() /tmp/workdir-gnot/go/src/runtime/mgc.go:468 +0x47 fp=0x48054e48 sp=0x48054e10 pc=0x219507 main.main() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress.go:71 +0x2fb fp=0x48054f48 sp=0x48054e48 pc=0x2c619b runtime.main() /tmp/workdir-gnot/go/src/runtime/proc.go:271 +0x2cb fp=0x48054fe0 sp=0x48054f48 pc=0x23870b runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48054fe8 sp=0x48054fe0 pc=0x268b01 goroutine 2 gp=0x48006700 m=nil [force gc (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48055fa0 sp=0x48055f80 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x2389a7 runtime.forcegchelper() /tmp/workdir-gnot/go/src/runtime/proc.go:326 +0x85 fp=0x48055fe0 sp=0x48055fa0 pc=0x238985 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48055fe8 sp=0x48055fe0 pc=0x268b01 created by runtime.init.6 in goroutine 1 /tmp/workdir-gnot/go/src/runtime/proc.go:314 +0x1a goroutine 3 gp=0x480068c0 m=nil [GC sweep wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48056f80 sp=0x48056f60 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x224eb4 runtime.bgsweep(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcsweep.go:278 +0x72 fp=0x48056fc8 sp=0x48056f80 pc=0x224e92 runtime.gcenable.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x25 fp=0x48056fe0 sp=0x48056fc8 pc=0x2193a5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48056fe8 sp=0x48056fe0 pc=0x268b01 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x66 goroutine 4 gp=0x48006a80 m=nil [GC scavenge wait]: runtime.gopark(0x10000?, 0x31cfc8?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48057f78 sp=0x48057f58 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x222849 runtime.(*scavengerState).park(0x40aba0) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:425 +0x2e fp=0x48057fa8 sp=0x48057f78 pc=0x22282e runtime.bgscavenge(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:658 +0x59 fp=0x48057fc8 sp=0x48057fa8 pc=0x222e59 runtime.gcenable.gowrap2() /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0x25 fp=0x48057fe0 sp=0x48057fc8 pc=0x219345 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48057fe8 sp=0x48057fe0 pc=0x268b01 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0xa5 goroutine 5 gp=0x48006fc0 m=nil [finalizer wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48050e20 sp=0x48050e00 pc=0x238b4e runtime.runfinq() /tmp/workdir-gnot/go/src/runtime/mfinal.go:194 +0x107 fp=0x48050fe0 sp=0x48050e20 pc=0x2183a7 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48050fe8 sp=0x48050fe0 pc=0x268b01 created by runtime.createfing in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mfinal.go:164 +0x3d goroutine 6 gp=0x48007180 m=nil [chan receive]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48051f18 sp=0x48051ef8 pc=0x238b4e runtime.chanrecv(0x480800c0, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x48051f90 sp=0x48051f18 pc=0x20545f runtime.chanrecv1(0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x48051fb8 sp=0x48051f90 pc=0x205092 main.main.func1() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress.go:29 +0x25 fp=0x48051fe0 sp=0x48051fb8 pc=0x2c6a25 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48051fe8 sp=0x48051fe0 pc=0x268b01 created by main.main in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress.go:28 +0xd2 goroutine 7 gp=0x48007340 m=0 mp=0x40b200 [syscall]: syscall.Syscall6(0x32, 0x3, 0x48052fbf, 0x1, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) /tmp/workdir-gnot/go/src/syscall/asm_plan9_amd64.s:63 +0x10 fp=0x48052e70 sp=0x48052db8 pc=0x27f310 syscall.Pread(0x48026140?, {0x48052fbf?, 0x0?, 0x0?}, 0x0?) /tmp/workdir-gnot/go/src/syscall/zsyscall_plan9_amd64.go:218 +0x5e fp=0x48052ee8 sp=0x48052e70 pc=0x27ef3e syscall.Read(...) /tmp/workdir-gnot/go/src/syscall/syscall_plan9.go:170 pc=0x28ceab os.(*File).read(0x48040040, {0x48052fbf, 0x1, 0x1}) /tmp/workdir-gnot/go/src/os/file_plan9.go:287 +0xc4 fp=0x48052f58 sp=0x48052ee8 pc=0x28ce84 os.(*File).Read(0x48040040, {0x48052fbf, 0x1, 0x1}) /tmp/workdir-gnot/go/src/os/file.go:118 +0x65 fp=0x48052f98 sp=0x48052f58 pc=0x28bc85 main.main.func3() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress.go:45 +0x3b fp=0x48052fe0 sp=0x48052f98 pc=0x2c695b runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48052fe8 sp=0x48052fe0 pc=0x268b01 created by main.main in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress.go:43 +0x213 goroutine 8 gp=0x48007500 m=nil [chan receive]: runtime.gopark(0x252f65?, 0x48396000?, 0x1?, 0x0?, 0x48053ef8?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48053ea8 sp=0x48053e88 pc=0x238b4e runtime.chanrecv(0x48080120, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x48053f20 sp=0x48053ea8 pc=0x20545f runtime.chanrecv1(0x4807e0a0?, 0x17b30c7bb17428ba?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x48053f48 sp=0x48053f20 pc=0x205092 runtime.(*wakeableSleep).sleep(0x4801a060, 0x5f5e100) /tmp/workdir-gnot/go/src/runtime/trace2.go:946 +0xb8 fp=0x48053fa8 sp=0x48053f48 pc=0x256c58 runtime.traceStartReadCPU.func1() /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:56 +0x45 fp=0x48053fe0 sp=0x48053fa8 pc=0x2577a5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48053fe8 sp=0x48053fe0 pc=0x268b01 created by runtime.traceStartReadCPU in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x156 goroutine 9 gp=0x480076c0 m=nil [chan receive]: runtime.gopark(0x252f65?, 0x48496000?, 0x1?, 0x0?, 0x4808ef00?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4808eeb0 sp=0x4808ee90 pc=0x238b4e runtime.chanrecv(0x48080240, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x4808ef28 sp=0x4808eeb0 pc=0x20545f runtime.chanrecv1(0x4807e0f0?, 0x17b30c7bc35637ca?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x4808ef50 sp=0x4808ef28 pc=0x205092 runtime.(*wakeableSleep).sleep(0x4801a078, 0x3b9aca00) /tmp/workdir-gnot/go/src/runtime/trace2.go:946 +0xb8 fp=0x4808efb0 sp=0x4808ef50 pc=0x256c58 runtime.(*traceAdvancerState).start.func1() /tmp/workdir-gnot/go/src/runtime/trace2.go:883 +0x28 fp=0x4808efe0 sp=0x4808efb0 pc=0x256ac8 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808efe8 sp=0x4808efe0 pc=0x268b01 created by runtime.(*traceAdvancerState).start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2.go:880 +0x165 goroutine 10 gp=0x48007880 m=nil [runnable]: os.(*File).write.deferwrap1() /tmp/workdir-gnot/go/src/os/file_plan9.go:317 +0x30 fp=0x4808fef0 sp=0x4808fee8 pc=0x28d230 os.(*File).write(0x48040030, {0x45c4f020, 0xffc8, 0xffe0}) /tmp/workdir-gnot/go/src/os/file_plan9.go:321 +0x15a fp=0x4808ff60 sp=0x4808fef0 pc=0x28d17a os.(*File).Write(0x48040030, {0x45c4f020, 0xffc8, 0xffe0}) /tmp/workdir-gnot/go/src/os/file.go:189 +0x65 fp=0x4808ffa0 sp=0x4808ff60 pc=0x28bd65 runtime/trace.Start.func1() /tmp/workdir-gnot/go/src/runtime/trace/trace.go:134 +0x3b fp=0x4808ffe0 sp=0x4808ffa0 pc=0x2c5cfb runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808ffe8 sp=0x4808ffe0 pc=0x268b01 created by runtime/trace.Start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace/trace.go:128 +0xf6 goroutine 17 gp=0x48502000 m=nil [runnable, locked to thread]: runtime.Gosched(...) /tmp/workdir-gnot/go/src/runtime/proc.go:342 pc=0x2c68c5 main.main.func4() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress.go:66 +0x56 fp=0x4808afe0 sp=0x4808afb8 pc=0x2c68b6 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808afe8 sp=0x4808afe0 pc=0x268b01 created by main.main in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress.go:59 +0x2f6 goroutine 18 gp=0x485021c0 m=nil [GC worker (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4808bf28 sp=0x4808bf08 pc=0x238b4e runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4808bfc8 sp=0x4808bf28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4808bfe0 sp=0x4808bfc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808bfe8 sp=0x4808bfe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 19 gp=0x48502380 m=nil [runnable]: runtime.gcMarkDone() /tmp/workdir-gnot/go/src/runtime/mgc.go:803 +0x37c fp=0x4808cf28 sp=0x4808cf20 pc=0x21a23c runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1469 +0x3a5 fp=0x4808cfc8 sp=0x4808cf28 pc=0x21ba25 runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4808cfe0 sp=0x4808cfc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808cfe8 sp=0x4808cfe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 20 gp=0x48502540 m=nil [GC worker (idle)]: runtime.gopark(0x468a80?, 0x3?, 0x22?, 0x6b?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4808df28 sp=0x4808df08 pc=0x238b4e runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4808dfc8 sp=0x4808df28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4808dfe0 sp=0x4808dfc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808dfe8 sp=0x4808dfe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 21 gp=0x48502700 m=nil [GC worker (idle)]: runtime.gopark(0x468a80?, 0x1?, 0x3d?, 0x49?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4850ef28 sp=0x4850ef08 pc=0x238b4e runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4850efc8 sp=0x4850ef28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4850efe0 sp=0x4850efc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4850efe8 sp=0x4850efe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 23 gp=0x48502a80 m=nil [GC worker (idle)]: runtime.gopark(0x468a80?, 0x3?, 0x40?, 0x95?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48510f28 sp=0x48510f08 pc=0x238b4e runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x48510fc8 sp=0x48510f28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x48510fe0 sp=0x48510fc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48510fe8 sp=0x48510fe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 24 gp=0x48502c40 m=nil [GC worker (idle)]: runtime.gopark(0x48511f68?, 0x17b30c7bad516a23?, 0x8e?, 0x1?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48511f28 sp=0x48511f08 pc=0x238b4e runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x48511fc8 sp=0x48511f28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x48511fe0 sp=0x48511fc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48511fe8 sp=0x48511fe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 25 gp=0x48502e00 m=nil [GC worker (idle)]: runtime.gopark(0x4850af68?, 0x17b30c7bad52a199?, 0x95?, 0xc4?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4850af28 sp=0x4850af08 pc=0x238b4e runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4850afc8 sp=0x4850af28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4850afe0 sp=0x4850afc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4850afe8 sp=0x4850afe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 26 gp=0x48502fc0 m=nil [GC worker (idle)]: runtime.gopark(0x4850bf68?, 0x17b30c7bad525385?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4850bf28 sp=0x4850bf08 pc=0x238b4e runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4850bfc8 sp=0x4850bf28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4850bfe0 sp=0x4850bfc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4850bfe8 sp=0x4850bfe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 27 gp=0x48503180 m=nil [GC worker (idle)]: runtime.gopark(0x468a80?, 0x3?, 0x61?, 0xaf?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4850cf28 sp=0x4850cf08 pc=0x238b4e runtime.gcBgMarkWorker(0x48504000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4850cfc8 sp=0x4850cf28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4850cfe0 sp=0x4850cfc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4850cfe8 sp=0x4850cfe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 exit status: 'stress 17369: 2' trace_test.go:567: exit status: 'go 17349: 1' --- FAIL: TestTraceStressStartStop (12.58s) --- FAIL: TestTraceStressStartStop/Default (12.58s) trace_test.go:565: stderr: fatal error: unexpected signal during runtime execution [signal sys: trap: code=0x0 addr=0x0 pc=0x25a6ca] runtime stack: runtime.throw({0x2fbc2e?, 0x0?}) /tmp/workdir-gnot/go/src/runtime/panic.go:1021 +0x65 fp=0x7fffffffdb70 sp=0x7fffffffdb40 pc=0x236045 runtime.sigpanic() /tmp/workdir-gnot/go/src/runtime/os_plan9.go:75 +0x4a5 fp=0x7fffffffdbf0 sp=0x7fffffffdb70 pc=0x232ae5 runtime.fpTracebackPCs(...) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:219 pc=0x25a6cb runtime.traceStack(0x447ee0?, 0x2?, 0x2) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:70 +0x8f fp=0x7fffffffe038 sp=0x7fffffffdbf0 pc=0x25a58f runtime.traceLocker.stack(...) /tmp/workdir-gnot/go/src/runtime/trace2event.go:166 pc=0x2591cd runtime.traceLocker.STWStart({0x48400808?, 0x7fffffffe020?}, 0x1) /tmp/workdir-gnot/go/src/runtime/trace2runtime.go:318 +0x2c fp=0x7fffffffe0c0 sp=0x7fffffffe038 pc=0x25914c runtime.stopTheWorldWithSema(0x1) /tmp/workdir-gnot/go/src/runtime/proc.go:1453 +0x59 fp=0x7fffffffe170 sp=0x7fffffffe0c0 pc=0x23b099 runtime.gcMarkDone.func2() /tmp/workdir-gnot/go/src/runtime/mgc.go:863 +0x25 fp=0x7fffffffe190 sp=0x7fffffffe170 pc=0x21a3a5 runtime.systemstack(0x48402540) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:509 +0x4d fp=0x7fffffffe1a0 sp=0x7fffffffe190 pc=0x266c8d goroutine 21 gp=0x48482a80 m=8 mp=0x48400808 [running]: runtime.systemstack_switch() /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:474 +0x8 fp=0x484a2e90 sp=0x484a2e80 pc=0x266c28 runtime.gcMarkDone() /tmp/workdir-gnot/go/src/runtime/mgc.go:862 +0x247 fp=0x484a2f28 sp=0x484a2e90 pc=0x21a107 runtime.gcBgMarkWorker(0x48498000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1469 +0x3a5 fp=0x484a2fc8 sp=0x484a2f28 pc=0x21ba25 runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x484a2fe0 sp=0x484a2fc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x484a2fe8 sp=0x484a2fe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 1 gp=0x480061c0 m=nil [semacquire]: runtime.gopark(0x483ba000?, 0x256220?, 0x60?, 0x60?, 0x4852acd8?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4852acf8 sp=0x4852acd8 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x24a435 runtime.semacquire1(0x400128, 0x0, 0x0, 0x0, 0x12) /tmp/workdir-gnot/go/src/runtime/sema.go:160 +0x209 fp=0x4852ad60 sp=0x4852acf8 pc=0x24a409 runtime.semacquire(...) /tmp/workdir-gnot/go/src/runtime/sema.go:111 pc=0x25545d runtime.traceAdvance(0x1) /tmp/workdir-gnot/go/src/runtime/trace2.go:364 +0x106 fp=0x4852ae98 sp=0x4852ad60 pc=0x255446 runtime.StopTrace(...) /tmp/workdir-gnot/go/src/runtime/trace2.go:268 pc=0x2c6535 runtime/trace.Stop() /tmp/workdir-gnot/go/src/runtime/trace/trace.go:148 +0x8b fp=0x4852aed0 sp=0x4852ae98 pc=0x2c652b main.main() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:163 +0xbc fp=0x4852af48 sp=0x4852aed0 pc=0x2c667c runtime.main() /tmp/workdir-gnot/go/src/runtime/proc.go:271 +0x2cb fp=0x4852afe0 sp=0x4852af48 pc=0x23870b runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4852afe8 sp=0x4852afe0 pc=0x268b01 goroutine 2 gp=0x48006700 m=nil [force gc (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48055fa0 sp=0x48055f80 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x2389a7 runtime.forcegchelper() /tmp/workdir-gnot/go/src/runtime/proc.go:326 +0x85 fp=0x48055fe0 sp=0x48055fa0 pc=0x238985 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48055fe8 sp=0x48055fe0 pc=0x268b01 created by runtime.init.6 in goroutine 1 /tmp/workdir-gnot/go/src/runtime/proc.go:314 +0x1a goroutine 3 gp=0x480068c0 m=nil [GC sweep wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48056f80 sp=0x48056f60 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x224eb4 runtime.bgsweep(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcsweep.go:278 +0x72 fp=0x48056fc8 sp=0x48056f80 pc=0x224e92 runtime.gcenable.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x25 fp=0x48056fe0 sp=0x48056fc8 pc=0x2193a5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48056fe8 sp=0x48056fe0 pc=0x268b01 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x66 goroutine 4 gp=0x48006a80 m=nil [GC scavenge wait]: runtime.gopark(0x10000?, 0x31de00?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48057f78 sp=0x48057f58 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x222849 runtime.(*scavengerState).park(0x40abc0) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:425 +0x2e fp=0x48057fa8 sp=0x48057f78 pc=0x22282e runtime.bgscavenge(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:658 +0x59 fp=0x48057fc8 sp=0x48057fa8 pc=0x222e59 runtime.gcenable.gowrap2() /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0x25 fp=0x48057fe0 sp=0x48057fc8 pc=0x219345 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48057fe8 sp=0x48057fe0 pc=0x268b01 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0xa5 goroutine 5 gp=0x48006fc0 m=nil [finalizer wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48050e20 sp=0x48050e00 pc=0x238b4e runtime.runfinq() /tmp/workdir-gnot/go/src/runtime/mfinal.go:194 +0x107 fp=0x48050fe0 sp=0x48050e20 pc=0x2183a7 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48050fe8 sp=0x48050fe0 pc=0x268b01 created by runtime.createfing in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mfinal.go:164 +0x3d goroutine 6 gp=0x48007180 m=nil [wait for GC cycle]: runtime.gopark(0x48051e28?, 0x48051e10?, 0x80?, 0x9e?, 0x48051e10?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48051e70 sp=0x48051e50 pc=0x238b4e runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x219655 runtime.gcWaitOnMark(0x1) /tmp/workdir-gnot/go/src/runtime/mgc.go:524 +0x33 fp=0x48051ea0 sp=0x48051e70 pc=0x219633 runtime.GC() /tmp/workdir-gnot/go/src/runtime/mgc.go:468 +0x47 fp=0x48051ed8 sp=0x48051ea0 pc=0x219507 main.main.func1() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:72 +0x250 fp=0x48051fe0 sp=0x48051ed8 pc=0x2c69b0 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48051fe8 sp=0x48051fe0 pc=0x268b01 created by main.main in goroutine 1 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:28 +0xa9 goroutine 10 gp=0x48007880 m=nil [chan receive]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4809df18 sp=0x4809def8 pc=0x238b4e runtime.chanrecv(0x480802a0, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x4809df90 sp=0x4809df18 pc=0x20545f runtime.chanrecv1(0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x4809dfb8 sp=0x4809df90 pc=0x205092 main.main.func1.2() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:38 +0x25 fp=0x4809dfe0 sp=0x4809dfb8 pc=0x2c7325 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4809dfe8 sp=0x4809dfe0 pc=0x268b01 created by main.main.func1 in goroutine 6 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:37 +0x11a goroutine 11 gp=0x48007a40 m=0 mp=0x40b220 [syscall]: syscall.Syscall6(0x32, 0x3, 0x4809efbf, 0x1, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) /tmp/workdir-gnot/go/src/syscall/asm_plan9_amd64.s:63 +0x10 fp=0x4809ee70 sp=0x4809edb8 pc=0x27fa30 syscall.Pread(0x48026180?, {0x4809efbf?, 0x0?, 0x0?}, 0x0?) /tmp/workdir-gnot/go/src/syscall/zsyscall_plan9_amd64.go:218 +0x5e fp=0x4809eee8 sp=0x4809ee70 pc=0x27f65e syscall.Read(...) /tmp/workdir-gnot/go/src/syscall/syscall_plan9.go:170 pc=0x28d5cb os.(*File).read(0x48040048, {0x4809efbf, 0x1, 0x1}) /tmp/workdir-gnot/go/src/os/file_plan9.go:287 +0xc4 fp=0x4809ef58 sp=0x4809eee8 pc=0x28d5a4 os.(*File).Read(0x48040048, {0x4809efbf, 0x1, 0x1}) /tmp/workdir-gnot/go/src/os/file.go:118 +0x65 fp=0x4809ef98 sp=0x4809ef58 pc=0x28c3a5 main.main.func1.4() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:54 +0x3b fp=0x4809efe0 sp=0x4809ef98 pc=0x2c725b runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4809efe8 sp=0x4809efe0 pc=0x268b01 created by main.main.func1 in goroutine 6 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:52 +0x205 goroutine 17 gp=0x48482380 m=nil [runnable, locked to thread]: runtime.Gosched(...) /tmp/workdir-gnot/go/src/runtime/proc.go:342 pc=0x2c71c5 main.main.func1.5() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:67 +0x56 fp=0x48098fe0 sp=0x48098fb8 pc=0x2c71b6 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48098fe8 sp=0x48098fe0 pc=0x268b01 created by main.main.func1 in goroutine 6 /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/stress-start-stop.go:60 +0x24b goroutine 18 gp=0x48482540 m=nil [GC worker (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48099f28 sp=0x48099f08 pc=0x238b4e runtime.gcBgMarkWorker(0x48498000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x48099fc8 sp=0x48099f28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x48099fe0 sp=0x48099fc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48099fe8 sp=0x48099fe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 19 gp=0x48482700 m=nil [GC worker (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4809af28 sp=0x4809af08 pc=0x238b4e runtime.gcBgMarkWorker(0x48498000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4809afc8 sp=0x4809af28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4809afe0 sp=0x4809afc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4809afe8 sp=0x4809afe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 20 gp=0x484828c0 m=nil [GC worker (idle)]: runtime.gopark(0x4809bf68?, 0x17b30c7c2cc7b900?, 0x6d?, 0xe0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4809bf28 sp=0x4809bf08 pc=0x238b4e runtime.gcBgMarkWorker(0x48498000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4809bfc8 sp=0x4809bf28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4809bfe0 sp=0x4809bfc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4809bfe8 sp=0x4809bfe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 22 gp=0x48482c40 m=nil [GC worker (idle)]: runtime.gopark(0x484a3f68?, 0x17b30c7c26fafc73?, 0xe5?, 0x49?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x484a3f28 sp=0x484a3f08 pc=0x238b4e runtime.gcBgMarkWorker(0x48498000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x484a3fc8 sp=0x484a3f28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x484a3fe0 sp=0x484a3fc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x484a3fe8 sp=0x484a3fe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 23 gp=0x48482e00 m=nil [GC worker (idle)]: runtime.gopark(0x484a4f68?, 0x17b30c7c26f93944?, 0xb9?, 0x89?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x484a4f28 sp=0x484a4f08 pc=0x238b4e runtime.gcBgMarkWorker(0x48498000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x484a4fc8 sp=0x484a4f28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x484a4fe0 sp=0x484a4fc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x484a4fe8 sp=0x484a4fe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 24 gp=0x48482fc0 m=nil [GC worker (idle)]: runtime.gopark(0x468aa0?, 0x1?, 0x19?, 0xde?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x484a5f28 sp=0x484a5f08 pc=0x238b4e runtime.gcBgMarkWorker(0x48498000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x484a5fc8 sp=0x484a5f28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x484a5fe0 sp=0x484a5fc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x484a5fe8 sp=0x484a5fe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 25 gp=0x48483180 m=nil [GC worker (idle)]: runtime.gopark(0x4849ef68?, 0x17b30c7c26f372df?, 0xa1?, 0xb0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4849ef28 sp=0x4849ef08 pc=0x238b4e runtime.gcBgMarkWorker(0x48498000) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4849efc8 sp=0x4849ef28 pc=0x21b76c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4849efe0 sp=0x4849efc8 pc=0x21b645 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4849efe8 sp=0x4849efe0 pc=0x268b01 created by runtime.gcBgMarkStartWorkers in goroutine 6 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 goroutine 33 gp=0x48502700 m=nil [chan receive]: runtime.gopark(0x252f65?, 0x483b0000?, 0x1?, 0x0?, 0x4852bef8?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4852bea8 sp=0x4852be88 pc=0x238b4e runtime.chanrecv(0x48536000, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x4852bf20 sp=0x4852bea8 pc=0x20545f runtime.chanrecv1(0x48538000?, 0x17b30c7e9fd7bedd?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x4852bf48 sp=0x4852bf20 pc=0x205092 runtime.(*wakeableSleep).sleep(0x48534000, 0x5f5e100) /tmp/workdir-gnot/go/src/runtime/trace2.go:946 +0xb8 fp=0x4852bfa8 sp=0x4852bf48 pc=0x256c58 runtime.traceStartReadCPU.func1() /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:56 +0x45 fp=0x4852bfe0 sp=0x4852bfa8 pc=0x2577a5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4852bfe8 sp=0x4852bfe0 pc=0x268b01 created by runtime.traceStartReadCPU in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x156 goroutine 34 gp=0x485028c0 m=nil [chan receive]: runtime.gopark(0x252f65?, 0x48542000?, 0x3?, 0x0?, 0x4852cf00?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4852ceb0 sp=0x4852ce90 pc=0x238b4e runtime.chanrecv(0x48536120, 0x0, 0x1) /tmp/workdir-gnot/go/src/runtime/chan.go:583 +0x3bf fp=0x4852cf28 sp=0x4852ceb0 pc=0x20545f runtime.chanrecv1(0x48538050?, 0x17b30c7eced9d42d?) /tmp/workdir-gnot/go/src/runtime/chan.go:442 +0x12 fp=0x4852cf50 sp=0x4852cf28 pc=0x205092 runtime.(*wakeableSleep).sleep(0x48534018, 0x3b9aca00) /tmp/workdir-gnot/go/src/runtime/trace2.go:946 +0xb8 fp=0x4852cfb0 sp=0x4852cf50 pc=0x256c58 runtime.(*traceAdvancerState).start.func1() /tmp/workdir-gnot/go/src/runtime/trace2.go:883 +0x28 fp=0x4852cfe0 sp=0x4852cfb0 pc=0x256ac8 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4852cfe8 sp=0x4852cfe0 pc=0x268b01 created by runtime.(*traceAdvancerState).start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2.go:880 +0x165 goroutine 35 gp=0x48502a80 m=nil [trace reader (blocked)]: runtime.gopark(0x4852df78?, 0x26a07b?, 0xea?, 0xfe?, 0x45a0f020?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4852df38 sp=0x4852df18 pc=0x238b4e runtime.ReadTrace() /tmp/workdir-gnot/go/src/runtime/trace2.go:681 +0x31 fp=0x4852dfa0 sp=0x4852df38 pc=0x2564d1 runtime/trace.Start.func1() /tmp/workdir-gnot/go/src/runtime/trace/trace.go:130 +0x45 fp=0x4852dfe0 sp=0x4852dfa0 pc=0x2c6425 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4852dfe8 sp=0x4852dfe0 pc=0x268b01 created by runtime/trace.Start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace/trace.go:128 +0xf6 exit status: 'stress-start-stop 17404: 2' trace_test.go:567: exit status: 'go 17384: 1' --- FAIL: TestTraceManyStartStop (1.23s) --- FAIL: TestTraceManyStartStop/Default (1.23s) trace_test.go:565: stderr: fatal error: unexpected signal during runtime execution [signal sys: trap: fault read code=0x0 addr=0x0 pc=0x2552aa] runtime stack: runtime.throw({0x2a7b65?, 0x0?}) /tmp/workdir-gnot/go/src/runtime/panic.go:1021 +0x65 fp=0x7fffffffe8c0 sp=0x7fffffffe890 pc=0x232de5 runtime.sigpanic() /tmp/workdir-gnot/go/src/runtime/os_plan9.go:75 +0x4a5 fp=0x7fffffffe940 sp=0x7fffffffe8c0 pc=0x22fd05 runtime.fpTracebackPCs(...) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:219 pc=0x2552ab runtime.traceStack(0x4467c0?, 0x2?, 0x2) /tmp/workdir-gnot/go/src/runtime/trace2stack.go:70 +0x8f fp=0x7fffffffed88 sp=0x7fffffffe940 pc=0x25516f runtime.traceLocker.stack(...) /tmp/workdir-gnot/go/src/runtime/trace2event.go:166 pc=0x253dad runtime.traceLocker.STWStart({0x409b00?, 0xc?}, 0x2) /tmp/workdir-gnot/go/src/runtime/trace2runtime.go:318 +0x2c fp=0x7fffffffee10 sp=0x7fffffffed88 pc=0x253d2c runtime.stopTheWorldWithSema(0x2) /tmp/workdir-gnot/go/src/runtime/proc.go:1453 +0x59 fp=0x7fffffffeec0 sp=0x7fffffffee10 pc=0x237e39 runtime.gcStart.func1() /tmp/workdir-gnot/go/src/runtime/mgc.go:680 +0x25 fp=0x7fffffffeee0 sp=0x7fffffffeec0 pc=0x2170c5 runtime.systemstack(0x409540) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:509 +0x4d fp=0x7fffffffeef0 sp=0x7fffffffeee0 pc=0x26048d goroutine 1 gp=0x480061c0 m=0 mp=0x409b00 [running]: runtime.systemstack_switch() /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:474 +0x8 fp=0x48054df8 sp=0x48054de8 pc=0x260428 runtime.gcStart({0x1?, 0x0?, 0x287260?}) /tmp/workdir-gnot/go/src/runtime/mgc.go:679 +0x355 fp=0x48054ec0 sp=0x48054df8 pc=0x216d35 runtime.GC() /tmp/workdir-gnot/go/src/runtime/mgc.go:465 +0x3e fp=0x48054ef8 sp=0x48054ec0 pc=0x21671e main.main() /tmp/workdir-gnot/go/src/internal/trace/v2/testdata/testprog/many-start-stop.go:28 +0x1b fp=0x48054f48 sp=0x48054ef8 pc=0x2873fb runtime.main() /tmp/workdir-gnot/go/src/runtime/proc.go:271 +0x2cb fp=0x48054fe0 sp=0x48054f48 pc=0x2354ab runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48054fe8 sp=0x48054fe0 pc=0x262301 goroutine 2 gp=0x48006700 m=nil [force gc (idle)]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48055fa0 sp=0x48055f80 pc=0x2358ee runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x235747 runtime.forcegchelper() /tmp/workdir-gnot/go/src/runtime/proc.go:326 +0x85 fp=0x48055fe0 sp=0x48055fa0 pc=0x235725 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48055fe8 sp=0x48055fe0 pc=0x262301 created by runtime.init.6 in goroutine 1 /tmp/workdir-gnot/go/src/runtime/proc.go:314 +0x1a goroutine 3 gp=0x480068c0 m=nil [GC sweep wait]: runtime.gopark(0x1?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48056f80 sp=0x48056f60 pc=0x2358ee runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x22211f runtime.bgsweep(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcsweep.go:318 +0xbd fp=0x48056fc8 sp=0x48056f80 pc=0x2220fd runtime.gcenable.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x25 fp=0x48056fe0 sp=0x48056fc8 pc=0x2165c5 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48056fe8 sp=0x48056fe0 pc=0x262301 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:203 +0x66 goroutine 4 gp=0x48006a80 m=nil [GC scavenge wait]: runtime.gopark(0x10000?, 0x2c30a0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48057f78 sp=0x48057f58 pc=0x2358ee runtime.goparkunlock(...) /tmp/workdir-gnot/go/src/runtime/proc.go:408 pc=0x21fa69 runtime.(*scavengerState).park(0x4094a0) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:425 +0x2e fp=0x48057fa8 sp=0x48057f78 pc=0x21fa4e runtime.bgscavenge(0x4806a000) /tmp/workdir-gnot/go/src/runtime/mgcscavenge.go:658 +0x59 fp=0x48057fc8 sp=0x48057fa8 pc=0x220079 runtime.gcenable.gowrap2() /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0x25 fp=0x48057fe0 sp=0x48057fc8 pc=0x216565 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48057fe8 sp=0x48057fe0 pc=0x262301 created by runtime.gcenable in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:204 +0xa5 goroutine 5 gp=0x48006fc0 m=nil [finalizer wait]: runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x48050e20 sp=0x48050e00 pc=0x2358ee runtime.runfinq() /tmp/workdir-gnot/go/src/runtime/mfinal.go:194 +0x107 fp=0x48050fe0 sp=0x48050e20 pc=0x2155c7 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48050fe8 sp=0x48050fe0 pc=0x262301 created by runtime.createfing in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mfinal.go:164 +0x3d goroutine 11 gp=0x48007180 m=nil [runnable]: runtime.(*traceAdvancerState).start.func1() /tmp/workdir-gnot/go/src/runtime/trace2.go:880 +0x1 fp=0x48051fe0 sp=0x48051fd8 pc=0x251681 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48051fe8 sp=0x48051fe0 pc=0x262301 created by runtime.(*traceAdvancerState).start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2.go:880 +0x165 goroutine 10 gp=0x48007340 m=nil [runnable]: runtime.traceStartReadCPU.func1() /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x1 fp=0x48052fe0 sp=0x48052fd8 pc=0x252341 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48052fe8 sp=0x48052fe0 pc=0x262301 created by runtime.traceStartReadCPU in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace2cpu.go:44 +0x156 goroutine 12 gp=0x48007500 m=nil [runnable]: runtime/trace.Start.func1() /tmp/workdir-gnot/go/src/runtime/trace/trace.go:128 +0x1 fp=0x48053fe0 sp=0x48053fd8 pc=0x287201 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x48053fe8 sp=0x48053fe0 pc=0x262301 created by runtime/trace.Start in goroutine 1 /tmp/workdir-gnot/go/src/runtime/trace/trace.go:128 +0xf6 goroutine 9 gp=0x480076c0 m=nil [GC worker (idle)]: runtime.gopark(0x4808cf68?, 0x17b30c7ee504880c?, 0x0?, 0x0?, 0x0?) /tmp/workdir-gnot/go/src/runtime/proc.go:402 +0xce fp=0x4808cf28 sp=0x4808cf08 pc=0x2358ee runtime.gcBgMarkWorker(0x48080240) /tmp/workdir-gnot/go/src/runtime/mgc.go:1333 +0xec fp=0x4808cfc8 sp=0x4808cf28 pc=0x21898c runtime.gcBgMarkStartWorkers.gowrap1() /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x25 fp=0x4808cfe0 sp=0x4808cfc8 pc=0x218865 runtime.goexit({}) /tmp/workdir-gnot/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0x4808cfe8 sp=0x4808cfe0 pc=0x262301 created by runtime.gcBgMarkStartWorkers in goroutine 1 /tmp/workdir-gnot/go/src/runtime/mgc.go:1249 +0x105 exit status: 'many-start-stop 17437: 2' trace_test.go:567: exit status: 'go 17416: 1' FAIL FAIL internal/trace/v2 26.782s FAIL go tool dist: Failed: exit status: 'go 17028: 1'